21237186

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 43907328

約数和(自身を除く): 22670142

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 271, 353, 542, 706, 813, 1059, 1626, 2118, 10027, 13061, 20054, 26122, 30081, 39183, 60162, 78366, 95663, 191326, 286989, 573978, 3539531, 7079062, 10618593, 21237186]

約数ペア:

[(1, 21237186), (2, 10618593), (3, 7079062), (6, 3539531), (37, 573978), (74, 286989), (111, 191326), (222, 95663), (271, 78366), (353, 60162), (542, 39183), (706, 30081), (813, 26122), (1059, 20054), (1626, 13061), (2118, 10027)]